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614-09354-01_EN
3.8 Installation requirements
Recommended protective devices and cable cross-sections
3.8.1 9PXMEZ6Ki use with 9PX6000 or 9PX5000 UPS
• Recommended protective devices
D curve, 63A for Parallel Operation
D curve, 32A for Redundancy Only
2 poles circuit breaker
• Recommended cable cross-sections:
Terminal
position
Wire
function
Terminal wire
size rating
Minimum input
wire size rating
Breaker  
D Curve
9PXMEZ6Ki
Parallel 
Operation
L1 Phase
4-25 mm
2
  
(12-4 AWG)
10 mm
2
 (8 AWG)  63A
N 
(L2)
Neutral 
(Phase)
Ground
9PXMEZ6Ki
Redundancy 
Only
L1 Phase
4-25 mm
2
  
(12-4 AWG)
6 mm
2
 (10 AWG) 32A
N 
(L2)
Neutral 
(Phase)
Ground
3.8.2 9PXMEZ11Ki use with 9PX8000 or 9PX11000 UPS
• Common input source recommended protective devices
For Parallel Operation 
D curve, 125A if use with 9PX11000 UPS
D curve, 100A if use with 9PX8000 UPS
For Redundancy Only 
D curve, 63A if use with 9PX11000 UPS
D curve, 50A if use with 9PX8000 UPS
2 poles circuit breaker
3. Installation